buffet: Add OWNERS file.

BUG=None
TEST=None

Change-Id: I4fab61b754fd1cd92094f015288ed2151ce98b88
Reviewed-on: https://chromium-review.googlesource.com/210842
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>

buffet/OWNERS

diff --git a/buffet/OWNERS b/buffet/OWNERS
new file mode 100644
index 0000000..602359a
--- /dev/null
+++ b/buffet/OWNERS
@@ -0,0 +1,4 @@
+set noparent
+avakulenko@chromium.org
+sosa@chromium.org
+wiley@chromium.org